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Finding the Fourth Proportional to 635,149.89, 876,474.66 and 377,037.87

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Solution

The fourth proportional to 635,149.89, 876,474.66 and 377,037.87 is: 520,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,149.89 : 876,474.66 = 377,037.87 : x
  2. Step 2: Convert to fraction form
    635,149.89/876,474.66 = 377,037.87/x
  3. Step 3: Cross multiply
    635,149.89x = 876,474.66 × 377,037.87
  4. Step 4: Simplify right side
    635,149.89x = 330,464,138,915.37
  5. Step 5: Solve for x
    x = 330,464,138,915.37/635,149.89
  6. Step 6: Final answer
    x = 520,293.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.